The phrase "hadst one's ship come in" refers to the hypothetical situation where someone's fortunes have turned for the better. It indicates that a person's long-awaited success has finally arrived, bringing good news, fortune, and prosperity. Some synonyms for this phrase include hitting the jackpot, striking it rich, making a breakthrough, landing a windfall, and finding a pot of gold. These phrases all describe a sudden and unexpected improvement in one's financial situation. They can be used to express joy and satisfaction after achieving a long-desired goal or experiencing a sudden change of fortune. Whatever the phrase used, it is always an expression of positivity and good luck.